Cita APA (7th ed.)
Grier, D. A. (2005). When computers were human. Princeton University Press.
Cita Chicago (17th ed.)
Grier, David Alan. When Computers Were Human. Princeton: Princeton University Press, 2005.
Cita MLA (9th ed.)
Grier, David Alan. When Computers Were Human. Princeton University Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.